NMath Premium

将GPU加速数学计算的强大CUDA架构的优势利用到NMath和NMath Stats中

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NMath Premium是在.NET平台上将GPU加速数学计算的强大CUDA架构的优势利用到NMathNMath Stats中。CUDA是NVIDIA开发的一种并行计算平台和编程模型,它可以通过利用图形处理单元的能力大幅提高计算性能。GPU计算是所有NVIDIA 8系列和更高级别的GPU中的一个标准功能。整个NVIDIA Tesla线均支持CUDA技术。

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Easy to Use

NMath Premium works with any CUDA-enabled GPU. NMath Premium automatically detects the presence of a CUDA-enabled GPU at runtime and seamlessly redirects appropriate computations to it. The library can be configured to specify which problems should be solved by the GPU, and which by the CPU. If a GPU is not present at runtime, the computation automatically falls back to the CPU without error.

No GPU programming experience is required.

With a few minor exceptions, such as optional GPU configuration settings, the API is identical between NMath and NMath Premium. Existing NMath developers can simply upgrade to NMath Premium and immediately begin to offer their users higher performance from current graphics cards, or from additional GPUs, without writing any new software.

No changes are required to existing NMath code.

Supported Features

GPU acceleration provides a 2-4x speed-up for many NMath functions. With large data sets running on high-performance GPUs, the speed-up can exceed 10x. Furthermore, off-loading computation to the GPU frees up the CPU for additional processing tasks, a further performance gain.

The directly supported features for GPU acceleration of linear algebra (dense systems) are:

  • Singular value decomposition (SVD)

  • QR decomposition

  • Eigenvalue routines

  • Solve Ax = B

GPU acceleration for signal processing includes:

  • 1D Fast Fourier Transforms (Complex data input)

  • 2D Fast Fourier Transforms (Complex data input)

GPU: (1) NVIDIA Tesla M2090: 1 Fermi GPU, 512 CUDA cores, 6GB GDDR5 memory
CPU: Intel Xeon X5670, 2.93 GHz, 6-core with Hyper-Threading (12 threads), 12 MB L3 cache, 32 nm manufacturing process (Westmere)

Of course, many higher-level NMath and NMath Stats classes make use of these functions internally, and so also benefit from GPU acceleration indirectly.


  • Least squares, including weighted least squares

  • Filtering, such as moving window filters and Savitsky-Golay

  • Nonlinear programming (NLP)

  • Ordinary differential equations (ODE)

NMath Stats

  • Two-Way ANOVA, with or without repeated measures

  • Factor Analysis

  • Linear regression and logistic regression

  • Principal component analysis (PCA)

  • Partial least squares (PLS)

  • Nonnegative matrix factorization (NMF)

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演示或示例 NMath套包参考手册

介绍了NMath Suit中包含的所有类和方法

演示或示例 NMath Premium代码示例:VectorRangeExample(VB)

Example showing how to use the indexing class Range with the vector classes.


更新时间:2015/11/23 16:37:23 | 录入时间:2014-02-13 | 责任编辑:haoh 给他留言或建议

  • NMath Premium

    将GPU加速数学计算的强大CUDA架构的优势利用到NMath和NMath Stats中

  • NMath


  • NMath Stats




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